Any one know of a way to test the fuel injectors on a Mazda?

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1983 300SD
200000miles

Since you don't have a camshaft sensor or a way to measure cylinder contribution, I am going to have to say that way of guestimating the performance is out. Best way is to R&R the fuel injector and have it sent to Jon at FIC.

http://corvetteinjectors.com/

All my injectors felt good. Found out that one had a crushed filter. Now all flow at almost the exact same rate. Moral of the story, you don't know with injectors. Take them out and have them tested or just play SWAG

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01 Ford Excursion Powerstroke
99 E300 Turbodiesel
91 Vette with 383 motor
05 Polaris Sportsman 800 EFI
06 Polaris Sportsman 500 EFI
03 SeaDoo GTX SC Red
03 SeaDoo GTX SC Yellow
04 Tailgator 21 ft Toy Hauler
11 Harley Davidson 883 SuperLow